[ovirt-users] Collectd with Ovirt

[Yaniv Dary]

Yaniv Dary
Technical Product Manager
Red Hat Israel Ltd.
34 Jerusalem Road
Building A, 4th floor
Ra'anana, Israel 4350109

Tel : +972 (9) 7692306
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Email: ydary at redhat.com
IRC : ydary


On Mon, Oct 5, 2015 at 4:31 AM, Punit Dambiwal <hypunit at gmail.com> wrote:

> Hi Michal,
>
> Right now I am using DWH and Ovirt reports...for the guest vm cpu and
> memory it's good and ok to use but for the network usages there is nothing
> even the guest vm usages is too high...that's why i want to use collectd to
> get the proper network usages graphs of guest VM's.
>

Did you install the guest agent on the VM?
Maybe that is why you don't see the network data, since we do collect it.


>
> Thanks,
> Punit
>
> On Fri, Oct 2, 2015 at 7:03 PM, Michal Skrivanek <
> michal.skrivanek at redhat.com> wrote:
>
>>
>> On 2 Oct 2015, at 11:17, Punit Dambiwal wrote:
>>
>> Hi All,
>>
>> I want to use collectd (https://collectd.org/) to collect the guest VM
>> usages in to graphs...as ovirt DWH and reports are not quite good...i want
>> more good graphs and reporting of the usages...
>>
>> Please suggest me good way or tool to achieve this…
>>
>>
>> Hi Punit,
>> well…maybe you can use the DWH database? If it has the data you need you
>> and you only want better graphs then the reporting package just works on
>> top of those data…so you can use a different one instead
>> If you need different data then you need to get them in some other
>> way….least intrusive might be periodic calls to REST API to get what you
>> need…but be careful as REST API has a reputation of being quite slow….
>> If you need something faster you would need to move your data gathering
>> closer to the source, either directly from DB or directly form hypervisors.
>> Obviously the closer you try to get the implementation is increasingly more
>> difficult and trickier:)
>>
>> but if you're looking for host system performance data you would better
>> do it over there…sysstat/sar or collectd…I would bypass oVirt's mechanisms
>> and grab it myself, then perhaps correlate other data from REST API or DWH
>> tables. e.g. correlating increased CPU/mem load on the host with the amount
>> of VMs running on that host (well, that one you can do with oVirt's stats,
>> depends if you need/want more low level stuff we don't have)
>>
>> HTH,
>> michal
>>
>>
>> Thanks,
>> Punit
>>
>>
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>>
>>
>
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